Sub-Categories. 1  Anemometers (vane and hot-wire) Anemometers are used to measure airflow and volume at registers and in ducts. Vane anemometers measure airflow independent of the air density making them ideal for many applications where measurement without the need for corrections is desired.
1 1:99 diluted household bleach (mixing 10ml of bleach with 1litre of water) can be used for general household cleaning. 2  1:49 diluted household bleach (mixing 10ml of bleach with 0.5litre of water) is used to disinfect surfaces or articles contaminated with vomitus, excreta, secretions or blood.leach containing 5.25% sodium hypochlorite should be diluted as follows (demonstration short): 1:99 diluted household bleach (mixing 10ml of bleach with 1litre of water) can be used for general household cleaning.
Let borax sit for a half hour after scrubbing, and when stains are removed, turn the water supply on and flush. To clean a toilet with bleach, measure a half cup of dry bleach powder and allow it to sit in the bowl for up to two hours. Flush once you see that stains are removed. As a last resort, use a pumice stone and a toothbrush to get rid of extreme toilet stains.